| |

## Exploring and Communicating Mathematics## 2-1 Number and EstimatesEstimating populations, distances, and probabilities. Deciding if quantities are discrete or continuous. ## 2-2 Using Negative NumbersEvaluating numerical and algebraic expressions using positive and negative numbers in everyday situations. ## 2-3 Exploring Scientific NotationConverting numbers between decimal and scientific notation. Using scientific notation to estimate and compute. ## 2-4 Estimating Measures: Length and AreaEstimating lengths, distances on maps, and areas. Using geometric notation for lines, segments, and lengths. ## 2-5 Exploring Angle RelationshipsInvestigating geometric ideas using manipulatives. Applying angle relationships, including angles formed by intersecting lines, in circles, and in triangles. ## 2-6 Expressions for MeasuresWriting expressions for measures of geometric figures. Simplifying these expressions by multiplying, using the distributive property, and grouping like terms./P> ## 2-7 Solving Equations: BalancingUsing algebra tiles to solve equations by balancing. Using equations to model and solve problems about areas and angle measures. ## 2-8 Solving Equations: UndoingSolving equations by undoing operations and simplifying. Modeling and solving problems with equations. ## 2-9 Square Roots and Cube RootsEstimating and evaluating rational and irrational square roots and cube roots in everyday contexts. | |

Terms and Conditions of Use |